7068218073564 has 48 divisors (see below), whose sum is σ = 17532422167680. Its totient is φ = 2209969166400.

The previous prime is 7068218073551. The next prime is 7068218073569. The reversal of 7068218073564 is 4653708128607.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7068218073569) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153447054 + ... + 153493109.

It is an arithmetic number, because the mean of its divisors is an integer number (365258795160).

Almost surely, 2^{7068218073564} is an apocalyptic number.

It is an amenable number.

7068218073564 is an abundant number, since it is smaller than the sum of its proper divisors (10464204094116).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7068218073564 is a wasteful number, since it uses less digits than its factorization.

7068218073564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306940290 (or 306940288 counting only the distinct ones).

The product of its (nonzero) digits is 13547520, while the sum is 57.

The spelling of 7068218073564 in words is "seven trillion, sixty-eight billion, two hundred eighteen million, seventy-three thousand, five hundred sixty-four".